Polyphenylene Oxide - Modified - PPO 10% Glass Fibre Reinforced; Fire Retardant

Aug 31 2001

Polymer Type

Thermoplastic

Advantages

Improved tensile strength, flexural modulus, heat distortion temperature and flammability characteristics compared with unmodified PPO. Halogen free flame retarding additives available.

Disadvantages

Reduced notched izod impact strength and elongation at break compared with unmodified PPO. Inclusion of glass can cause anisotropy in mouldings.

Typical Properties

Property

Value

Density (g/cm3)

1.18

Surface Hardness

RL104

Tensile Strength (MPa)

75

Flexural Modulus (GPa)

4

Notched Izod (kJ/m)

0.08

Linear Expansion  (/°C x 10-5)

3.9

Elongation at Break (%)

6.5

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

85

Water Absorption (%)

0.05

Oxygen Index (%)

31

Flammability UL94

V1

Volume Resistivity (log ohm.cm)

15

Dielectric Strength (MV/m)

19

Dissipation Factor 1kHz

0.0015

Dielectric Constant  1kHz

3.2

HDT @ 0.45 MPa (°C)

140

HDT @ 1.80 MPa (°C)

127

Material. Drying  hrs @ (°C)

2 @100

Melting Temp. Range (°C)

230 - 285

Mould Shrinkage (%)

0.4

Mould Temp. Range (°C)

70 -  85

Applications

Mostly electrical applications e.g. plug connectors and sockets, capacitor housings, fuse boxes and transformers, rear panels for TV sets. Housings for computers, facsimile transceivers, typewriters and keyboards.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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